Water
Weathering and erosion, along with thegravity-driven effect called mass wasting, are the fundamental processes by which rock is broken down and removed, collectively called denudation. The most important agent in both weathering and erosion is water, in both its liquid and solid states.
Answer:
Both the balloon and the object are positive
Answer:
D. It release hormones into the bloodstream.
Explanation:
I think.